<template>
  <div class="outer">
    <!-- 三级分类导航 -->
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--面包屑导航-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <span href="#">全部结果</span>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类面包屑 -->
            <li class="with-x" v-show="searchParams.categoryName">
              {{ searchParams.categoryName }}&nbsp;
              <span @click="removeCategoryName">x</span>
            </li>
            <!-- 关键字面包屑 -->
            <li class="with-x" v-show="searchParams.keyword">
              {{ searchParams.keyword }}&nbsp;
              <span @click="removeKeyword">x</span>
            </li>
            <!-- 品牌的面包屑 -->
            <li class="with-x" v-show="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1] }}&nbsp;
              <span @click="removeTrademark">x</span>
            </li>
            <!-- 属性的面包屑 -->
            <li
              class="with-x"
              v-for="(prop, index) in searchParams.props"
              :key="index"
            >
              {{ filterAttr(prop) }}&nbsp;
              <span @click="removeProp(index)">x</span>
            </li>
          </ul>
        </div>

        <!-- 搜索器 -->
        <SearchSelector
          @get-trademark="saveTrademark"
          @get-attr="saveAttr"
          v-show="total"
        />

        <!--商品展示区-->

        <div class="details clearfix" v-show="total">
          <!-- 列表操作区 -->
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{ active: orderType === '1' }">
                  <a class="icon" @click="changeOrder(1)"
                    >综合<span v-if="orderType === '1'">
                      <el-icon :size="15">
                        <Top v-if="iconName !== 'desc'" />
                        <Bottom v-else></Bottom>
                      </el-icon> </span
                  ></a>
                </li>
                <li :class="{ active: orderType === '2' }">
                  <a class="icon" @click="changeOrder(2)"
                    >价格
                    <span v-show="orderType === '2'">
                      <el-icon :size="15">
                        <Top v-if="iconName !== 'desc'" />
                        <Bottom v-else></Bottom> </el-icon
                    ></span>
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 商品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="goods in goodsList" :key="goods.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="'/detail/' + goods.id" target="_blank"
                      ><img :src="goods.defaultImg"
                    /></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥&nbsp;&nbsp;</em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <router-link
                      target="_blank"
                      :to="'/detail/' + goods.id"
                      title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                      >{{ goods.title }}</router-link
                    >
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 -->

          <el-pagination
            v-model:current-page="searchParams.pageNo"
            v-model:page-size="searchParams.pageSize"
            layout="prev, pager, next, total"
            :total="parseInt(total)"
            @current-change="handleCurrentChange"
            prev-text="上一页"
            next-text="下一页"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: "Search",
};
</script>



<script setup>
import { watch, reactive, computed } from "vue";
import { useRouter, useRoute } from "vue-router";
import { Top, Bottom } from "@element-plus/icons-vue";
import TypeNav from "@/components/TypeNav/index.vue";
import SearchSelector from "./SearchSelector/index.vue";
import { useSearchStoreListData } from "../../stores/search";
import emitter from "@/utils/bus";
const searchListData = useSearchStoreListData();
const route = useRoute();
const router = useRouter();

// 搜索页面要使用的参数
const searchParams = reactive({
  category1Id: "", //一级分类id
  category2Id: "",
  category3Id: "",
  categoryName: "", //分类名
  keyword: "", //关键词
  props: [], //商品属性
  trademark: "", //品牌
  order: "1:desc", //排序
  pageNo: 1, //当前页码
  pageSize: 5, //每页展示多少条
});
//  监听useRouter 里的 router.currentRoute.value的值，可以实现监听路由的变化
watch(
  () => router.currentRoute.value,
  (newValue) => {
    // console.log('bb', newValue);
    Object.assign(
      searchParams,
      {
        category1Id: "",
        category2Id: "",
        category3Id: "",
        categoryName: "",
        keyword: "",
        pageNo: 1,
      },
      newValue.query
    );
  },
  { immediate: true }
);

// 监听搜索页面的数据，只要searchParams数据发生变化，则需要重新获取搜索数据，所以一获取搜索页面就要监听
watch(
  searchParams,
  (newValue) => {
    searchListData.getSearchData(newValue);
  },
  { immediate: true, deep: true }
);

// 商品列表数据
const goodsList = computed(() => {
  return searchListData.searchData.goodsList;
});
const total = computed(() => {
  return searchListData.searchData.total;
});

// 切割 order排序，得到排序前面的值，1表示综合，2表示价格
const orderType = computed(() => {
  return searchParams.order.split(":")[0];
});

// 修改order数据
const changeOrder = (type) => {
  // 切割数据，用来判断是否是 升序或降序的箭头方向
  const value = searchParams.order.split(":")[1];
  // 判断选中的是综合（1）还是价格（2），如果相同,则说明这是二次点击,修改 升/降序（desc/asc）
  if (type == orderType.value) {
    searchParams.order = `${orderType.value}:${
      value === "desc" ? "asc" : "desc"
    }`;
  } else {
    // 第一次点击，直接给order赋值默认 为desc
    searchParams.order = `${type}:desc`;
  }
};

// 根据 desc 降序，asc 升序，显示箭头
const iconName = computed(() => {
  return searchParams.order.split(":")[1];
});

// 分类名面包屑的删除
const removeCategoryName = () => {
  router.push({
    path: "/search",
    query: {
      keyword: route.query.keyword,
    },
  });
};
// 关键字面包屑的删除(数据由路径携带而来，所以对地址进行操作就是在该)
const removeKeyword = () => {
  router.push({
    path: "/search",
    query: {
      ...route.query,
      keyword: undefined,
    },
  });
  emitter.emit("clearKeyword");
};
// 品牌面包屑的删除
const removeTrademark = () => {
  searchParams.trademark = "";
  searchParams.pageNo = 1;
};

// 接收子组件传过来的属性信息
const saveAttr = (attr, attrValue) => {
  const str = `${attr.attrId}:${attrValue}:${attr.attrName}`;
  searchParams.pageNo = 1;
  // 没有这个值才添加
  if (!searchParams.props.includes(str)) {
    searchParams.props.push(str);
  }
};
// 接收子组件传递过来的品牌信息
const saveTrademark = (trademark) => {
  // 拼接字符串
  const str = `${trademark.tmId}:${trademark.tmName}`;
  searchParams.trademark = str;
  searchParams.pageNo = 1;
};

// 属性面包屑
const filterAttr = (value) => {
  const arr = value.split(":");
  return `${arr[2]}:${arr[1]}`;
};
// 清除属性
const removeProp = (index) => {
  searchParams.props.splice(index, 1);
  searchParams.pageNo = 1;
};

// 当前页的函数
const handleCurrentChange = (val) => {
  // console.log(`current page: ${val}`);
  searchParams.pageNo = val;
};
</script>
<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: flex;
                align-items: center;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }

  // 深度选择器，给分页器添加样式 居中
  :deep(.el-pagination) {
    justify-content: center;
  }
}
</style>